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Impairments - Summary of Changes in Carrying Value of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Goodwill [Line Items]
Balance as of December 31, 2024		$ 46,167
Impairment of goodwill	$ 0	(19,568)	$ (115,206)
Foreign currency translation adjustment		1,810
Balance as of September 30, 2025		28,409
U.S. Marketplace | United States
Goodwill [Line Items]
Balance as of December 31, 2024		12,477
Balance as of September 30, 2025		12,477
Digital Wholesale | United States
Goodwill [Line Items]
Balance as of December 31, 2024		19,568
Impairment of goodwill		(19,568)
Other | International
Goodwill [Line Items]
Balance as of December 31, 2024		14,122
Foreign currency translation adjustment		1,810
Balance as of September 30, 2025		$ 15,932

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